linuxmint/Cinnamon — pull request #865 by autarkper (2012-07-03 07:45:21+00:00)
Title: Fix "Clutter-CRITICAL **: clutter_actor_unmap: assertion `CLUTTER_IS_ACTOR (self)' failed".

If you are monitoring stderr you will find that whenever you are finished ALT-tabbing, something like the following will be printed:

(cinnamon:2867): Clutter-CRITICAL **: clutter_actor_unmap: assertion CLUTTER_IS_ACTOR (self)' failed
(cinnamon:2867): Clutter-CRITICAL **: clutter_actor_unmap: assertionCLUTTER_IS_ACTOR (self)' failed

The warning is due to an actor being destroyed while it is still part of Main.uiGroup. This patch remedies this.